Paper  bibtex   

@article{montessori_mother_1915,
	title = {The {Mother} and the {Child}},
	volume = {53},
	copyright = {Public Domain},
	url = {https://hdl.handle.net/2027/uc1.a0004282620?urlappend=%3Bseq=1137},
	language = {eng},
	journal = {Journal of Proceedings and Addresses of the Annual Meeting of the National Education Association},
	author = {Montessori, Maria},
	year = {1915},
	pages = {1121--1130}
}